Home / 973,821.80-1,343,943.61-538,229.82

Finding the Fourth Proportional to 973,821.80, 1,343,943.61 and 538,229.82

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Solution

The fourth proportional to 973,821.80, 1,343,943.61 and 538,229.82 is: 742,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,821.80 : 1,343,943.61 = 538,229.82 : x
  2. Step 2: Convert to fraction form
    973,821.80/1,343,943.61 = 538,229.82/x
  3. Step 3: Cross multiply
    973,821.80x = 1,343,943.61 × 538,229.82
  4. Step 4: Simplify right side
    973,821.80x = 723,350,520,915.09
  5. Step 5: Solve for x
    x = 723,350,520,915.09/973,821.80
  6. Step 6: Final answer
    x = 742,795.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.